In a Fruit Fly Embryo,the Homeotic Gene Antp Determines Where

In a fruit fly embryo,the homeotic gene Antp determines where legs would grow.When the promoter of Antp is mutated,flies end up with legs growing out of their head instead of antennae.In this mutation:

A) Antp must be turned off in the body
B) The Antp protein is no longer functional
C) Antennae grow where the legs would normally be found
D) Antp must be turned on in the head
E) Antp is turned off in the head